ABB T4S 250 TMD 32-320 3P FF: A high-performance, thermomagnetic circuit breaker for reliable power distribution in various electrical applications.
Product ModelT4S 250 TMD 32-320 3p F F
Material Number1SDA054190R1
Product ID76064
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Operation The ABB T4S 250 TMD 32-320 3P FF is designed to provide reliable operation under various electrical conditions, ensuring consistent performance in demanding environments.
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Feature2. Thermomagnetic Release Equipped with a thermomagnetic release mechanism, this circuit breaker efficiently detects and responds to short circuits, ensuring quick and safe disconnection.
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Feature3. High Short-Circuit Breaking Capacity With a short-circuit breaking capacity of 50 kA at 250 V DC and 36 kA at 500 V DC, this breaker is capable of handling high fault currents, making it ideal for critical applications.
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Feature4. Front Terminal Connection The front terminal connection type allows for easy and secure installation, reducing the risk of errors and ensuring a reliable connection.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Environmental Information
9AKK10103A1057
Product Net Width
105 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
2.35 kg
Product Main Type
SACE Tmax T
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Feature5. Compliance with International Standards The ABB T4S 250 TMD 32-320 3P FF meets the standards of IEC 60947, ensuring compliance with international safety and performance regulations, providing peace of mind for users.
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Suitable For
T4
Suitable for Product Class
Moulded Case Circuit Breakers
Version
F
Electrical Durability
8000 cycle 120 cycles per hour
Mechanical Durability
20000 cycle 240 cycles per hour
Number of Poles
3
Power Loss
at Rated Operating Conditions per Pole 3.7 W
Rated Current (In)
32 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
690 V AC 750 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(220 V AC) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V) 25 kA
(220 V AC) 85 kA (230 V AC) 85 kA (380 V AC) 50 kA (400 V AC) 50 kA (415 V AC) 50 kA (440 V AC) 40 kA (500 V AC) 30 kA (690 V AC) 25 kA (250 V DC) 2 Poles in Series 50 kA (500 V DC) 2 Poles in Series 36 kA (750 V DC) 3 Poles in Series 25 kA
Rated Uninterrupted Current (Iu)
250 A
Release
TMD
Release Type
TM
Short-Circuit Performance Level
S
Standards
IEC
Sub-type
T4
Terminal Connection Type
Fixed Circuit-Breakers Front
Test Voltage Max (Utest)
3500 V
Test Voltage at Industrial Frequency for 1 Minute
3500 V
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
Object Classification Code
Q
UNSPSC
39121100
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)